(19)

(11)

EP 3 814 063 A1

(12)

(43) Date of publication: 05.05.2021 Bulletin 2021/18 (21) Application number: 19733740.5 (22) Date of filing: 25.06.2019

(51) International Patent Classification (IPC):  B25F 5/02(2006.01) B25B 21/00(2006.01) (86) International application number: PCT/EP2019/066732 (87) International publication number: WO 2020/002269 (02.01.2020 Gazette 2020/01)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 29.06.2018 SE 1830206 (71) Applicant: Atlas Copco Industrial Technique AB 105 23 Stockholm (SE)	(72) Inventors: JOHANSSON, Karl, Göran 132 37 Saltsjö-Boo (SE) ZANDER, Hans, Johan, Alfred 13934 Värmdö (SE)